Ronald J. Swallow, 82, of Allentown, passed away on Tuesday, September 12, 2017 at Lehigh Valley Hospital, Salisbury Twp. Born in Oak Park, IL, he was the son of the late Joseph L. and Sophia A. (Yasas) Swallow. Ronald attended the University of Illinois from 1954 to 1966, earning his Ph.D. in Biophysics, receiving his Master's in Electrical Engineering and obtaining his Bachelors Degree in Engineering. He was a self-employed Computer Hardware Design Engineer for many years. Survivors: Son, Douglas Swallow of Long Branch, NJ; 4 Brothers, Robert, Richard, Russell and Roger Swallow; 3 Grandchildren; 2 Great-Grandchildren; and his former wife, Sandra S. (Jenkins) Swallow. He was preceded in death by a daughter, Karyssa D. Plotczyk, in 2006. Services: Private. Arrangements by Bachman, Kulik & Reinsmith Funeral Home, Emmaus.